| 单词 | efficacious |
| 释义 | efficacious (once / 2469 pages) adj When you really want to do something right, really nail it, really get at what you were going for — you're trying to be efficacious, or produce the effect you intended. The word efficacious is made up of the Latin efficere meaning "accomplish" and the suffix -ious meaning "full of." Something that's efficacious is full of accomplishment. An efficacious medicine is one that cures you of the ailment you had. An efficacious recipe is one that comes out the way you intended it to taste. Remember that efficacious has two fs and two cs in it and you'll be efficacious in your spelling of the word. WORD FAMILYefficacious: efficaciously, efficaciousness, inefficacious+/efficacy: efficacies, efficacious, inefficacy/inefficacious: inefficaciously, inefficaciousness/inefficacy: inefficacies USAGE EXAMPLESKelly comes at the narrative from a more efficacious angle. Washington Post(Nov 11, 2016) "Parents and doctors should pay attention. These vaccines are highly efficacious," Wheeler said. US News(Sep 29, 2016) Despite these challenges, efficacious public health interventions are available to prevent thousands of Generation Zika-related disabilities and deaths. US News(Aug 10, 2016) 1adj marked by qualities giving the power to produce an intended effect "written propaganda is less efficacious than the habits and prejudices...of the readers"-Aldous Huxley the medicine is efficacious in stopping a cough Syn|Ant effective, effectual producing or capable of producing an intended result or having a striking effect effectiveworks well as a means or remedy inefficacious lacking the power to produce a desired effect ineffective, ineffectual, uneffectivenot producing an intended effect 2adj producing or capable of producing an intended result or having a striking effect an efficacious law Syn|Ant effective, effectual hard-hitting, trenchant characterized by or full of force and vigor impellingmarkedly effective as if by emotional pressure impressive, tellingproducing a strong effect rough-and-readycrude but effective for the purpose at hand efficientbeing effective without wasting time or effort or expense potent, stiff, stronghaving a strong physiological or chemical effect powerfulhaving great power or force or potency or effect useful, utilebeing of use or service ineffective, ineffectual, uneffective not producing an intended effect idlenot in action or at work toothlesslacking necessary force for effectiveness unproductivenot producing desired results inefficaciouslacking the power to produce a desired effect inefficientnot producing desired results; wasteful powerlesslacking power uselesshaving no beneficial use or incapable of functioning usefully |
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